diff options
Diffstat (limited to 'linux/mga_drv.c')
| -rw-r--r-- | linux/mga_drv.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/linux/mga_drv.c b/linux/mga_drv.c index 8bc25617..48041354 100644 --- a/linux/mga_drv.c +++ b/linux/mga_drv.c @@ -54,6 +54,7 @@ static struct file_operations mga_fops = { mmap: drm_mmap, read: drm_read, fasync: drm_fasync, + poll: drm_poll, }; static struct miscdevice mga_misc = { @@ -105,9 +106,11 @@ static drm_ioctl_desc_t mga_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_clear_bufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_swap_bufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_clear_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_flush_ioctl, 1, 0 }, }; #define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) @@ -380,6 +383,21 @@ int mga_init(void) drm_proc_init(dev); DRM_DEBUG("doing agp init\n"); dev->agp = drm_agp_init(); + if(dev->agp == NULL) { + DRM_DEBUG("The mga drm module requires the agpgart module" + " to function correctly\nPlease load the agpgart" + " module before you load the mga module\n"); + drm_proc_cleanup(); + misc_deregister(&mga_misc); + mga_takedown(dev); + return -ENOMEM; + } +#ifdef CONFIG_MTRR + dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024 * 1024, + MTRR_TYPE_WRCOMB, + 1); +#endif DRM_DEBUG("doing ctxbitmap init\n"); if((retcode = drm_ctxbitmap_init(dev))) { DRM_ERROR("Cannot allocate memory for context bitmap.\n"); @@ -416,6 +434,16 @@ void mga_cleanup(void) } drm_ctxbitmap_cleanup(dev); mga_dma_cleanup(dev); +#ifdef CONFIG_MTRR + if(dev->agp && dev->agp->agp_mtrr) { + int retval; + retval = mtrr_del(dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024*1024); + DRM_DEBUG("mtrr_del = %d\n", retval); + } +#endif + mga_takedown(dev); if (dev->agp) { drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); |